Home / 69,032,569.71-103,588,417.80-28,084,450.17

Finding the Fourth Proportional to 69,032,569.71, 103,588,417.80 and 28,084,450.17

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Solution

The fourth proportional to 69,032,569.71, 103,588,417.80 and 28,084,450.17 is: 42,142,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,032,569.71 : 103,588,417.80 = 28,084,450.17 : x
  2. Step 2: Convert to fraction form
    69,032,569.71/103,588,417.80 = 28,084,450.17/x
  3. Step 3: Cross multiply
    69,032,569.71x = 103,588,417.80 × 28,084,450.17
  4. Step 4: Simplify right side
    69,032,569.71x = 2,909,223,757,893,241
  5. Step 5: Solve for x
    x = 2,909,223,757,893,241/69,032,569.71
  6. Step 6: Final answer
    x = 42,142,770.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.